Fix Event TextChanged in TextCellView in ListView #526

Xwt.Gtk/Xwt.GtkBackend.CellViews/CustomCellRendererText.cs

@@ -62,7 +62,7 @@ void HandleEdited (object o, EditedArgs args)
 			SetCurrentEventRow ();
 			var view = (ITextCellViewFrontend) Frontend;
 
-			if (!view.RaiseTextChanged () && view.TextField != null) {
+			if (!view.RaiseTextChanged (args.NewText) && view.TextField != null) {
 				Gtk.TreeIter iter;
 				if (TreeModel.GetIterFromString (out iter, args.Path))
 					CellUtil.SetModelValue (TreeModel, iter, view.TextField.Index, view.TextField.FieldType, args.NewText);

Xwt/Xwt.Backends/ITextCellViewFrontend.cs

@@ -34,7 +34,7 @@ public interface ITextCellViewFrontend: ICellViewFrontend
 		bool Editable { get; }
 		EllipsizeMode Ellipsize { get; }
 
-		bool RaiseTextChanged ();
+		bool RaiseTextChanged (string text);
 
 		IDataField TextField { get; set; }
 	}

Xwt/Xwt/TextCellView.cs

@@ -107,10 +107,11 @@ public EllipsizeMode Ellipsize {
 		/// </summary>
 		public event EventHandler<WidgetEventArgs> TextChanged;
 
-		bool ITextCellViewFrontend.RaiseTextChanged ()
+		bool ITextCellViewFrontend.RaiseTextChanged (string newValue)
 		{
 			if (TextChanged != null) {
 				var args = new WidgetEventArgs ();
+				args.Text = newValue;
 				TextChanged (this, args);
 				return args.Handled;
 			}

Xwt/Xwt/WidgetEventArgs.cs

@@ -35,6 +35,8 @@ public class WidgetEventArgs: EventArgs
 		/// <value><c>true</c> if handled; otherwise, <c>false</c>.</value>
 		/// <remarks>This property can be set to <c>true</c> to prevent the execution of the default handler of the event</remarks>
 		public bool Handled { get; set; }
+
+		public string Text { get; set; }
 	}
 }